What was found
DURING C-4 CHECK, INSPECTION REPORTED FLOOR PANEL 221FF CORRODED ALONG INBD EDGE OF L1 DOOR THRESHOLD. REPLACED PANEL 221FF PER WORK CARD CP753-12 AND AMM 53-12-12-400-001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING C-4 CHECK, INSPECTION REPORTED FLOOR PANEL 221FF CORRODED ALONG INBD EDGE OF L1 DOOR THRESHOLD. REPLACED PANEL 221FF PER WORK CARD CP753-12 AND AMM 53-12-12-400-001.